Scribeify

Converter MP4 para MP3 — Extrator de Áudio online grátis

Tire o áudio de qualquer vídeo MP4 como MP3 de alta qualidade. Perfeito para podcasting, extração musical e arquivos somente de áudio.

Como usar Converter MP4 para MP3 — Extrator de Áudio online grátis em 3 passos

  1. 1

    Upload the MP4

    Drag or browse for an MP4 video up to 2 GB. Any codec (H.264, H.265, AV1) supported.

  2. 2

    Pick MP3 quality

    Choose a bitrate — 96 kbps for voice, 192 kbps balanced, or 320 kbps maximum quality.

  3. 3

    Download the MP3

    FFmpeg.wasm extracts locally. Download the MP3 instantly.

Por que escolher Converter MP4 para MP3 — Extrator de Áudio online grátis

  • Universal MP3 output

    MP3 plays everywhere — iPhones, Android, cars, smart speakers, legacy MP3 players.

  • Quality presets

    96, 128, 192, 256, 320 kbps. Balance size against fidelity for your use case.

  • Fast conversion

    When MP4 already holds MP3 audio, we stream-copy (instant). Otherwise re-encode at chosen bitrate.

  • No upload

    All conversion runs in your browser via FFmpeg.wasm.

  • Free, unlimited

    No account, no watermark, no file-count limit.

Quem usa Converter MP4 para MP3 — Extrator de Áudio online grátis

  • Podcast production

    Extract the audio of a video podcast recording as MP3 for standalone episode publishing.

  • Music from music videos

    Save the audio of a music video MP4 for personal listening on a portable MP3 player.

  • Lecture audio

    Extract MP3 from a recorded lecture for commute listening or transcription submission.

Feito para criadores no mundo todo

Feito para criadores, jornalistas, estudantes e pesquisadores em todo o mundo.

Perguntas frequentes

What MP4 audio codecs are supported?
AAC, MP3, AC-3, E-AC-3, Opus — essentially every audio codec found in MP4 files.
What bitrate should I pick?
For spoken-word content, 96-128 kbps is fine. For music, 192 kbps is balanced; 320 kbps is near-CD quality.
Will quality be lost?
If the source MP4 already has MP3 audio and you pick a matching bitrate, we stream-copy — no loss. Otherwise a single re-encoding step at your chosen bitrate.
What is the size limit?
Up to 2 GB per MP4 reliably. For very large files, split first.
Are my files uploaded?
No — all processing runs in your browser.
Can I get an M4A or WAV instead?
Yes — use our Video to Audio tool for format flexibility (M4A, WAV, AAC, OGG options).

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